dridex | 45cf92f1576250558cac45a9041b80f8e5637b3f7edafb61577598946b1c01c3

Analysis

max time kernel
62s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10-09-2024 03:19

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General

Target

09eb2af57116cff66afde43fbd144900N.dll
Size

236KB
MD5

09eb2af57116cff66afde43fbd144900
SHA1

bcd208a11fa73fec4517de64f9623022e86d2503
SHA256

45cf92f1576250558cac45a9041b80f8e5637b3f7edafb61577598946b1c01c3
SHA512

9e90ae451b92209fe2262a28540d1f8417c6a383766388fc7bb7f87fb95f72be8aa92fb94682b7938932dd689c1b563afcc18aa0be9e5c84271ebaf80e252958
SSDEEP

6144:H1G3WVIOY6Bdjehj+qudd96ou/6mv5wdC:H1GmSafShjYdd96z/6cwdC

Score

10^/10

dridex 111 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

111

52.73.70.149:443

8.4.9.152:3786

185.246.87.202:3098

50.116.111.64:5353

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/2924-1-0x00000000755C0000-0x00000000755FD000-memory.dmp	dridex_ldr
behavioral2/memory/2924-4-0x00000000755C0000-0x00000000755FD000-memory.dmp	dridex_ldr

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 2924	2612	rundll32.exe	85
PID 2612 wrote to memory of 2924	2612	rundll32.exe	85
PID 2612 wrote to memory of 2924	2612	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\09eb2af57116cff66afde43fbd144900N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\09eb2af57116cff66afde43fbd144900N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2924-0-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/2924-1-0x00000000755C0000-0x00000000755FD000-memory.dmp

Filesize
244KB

Download
memory/2924-3-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/2924-4-0x00000000755C0000-0x00000000755FD000-memory.dmp

Filesize
244KB

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